The property is hw_disk_bus. See https://bugs.launchpad.net/nova/+bug/1132739

Note that this will force the root disk to be on the usb bus instead of using 
virtio. I'm not sure if this is what you want, but it should work in grizzly.

Vish

On Jun 27, 2013, at 5:14 AM, Shyam Goud <[email protected]> wrote:

> 
> All,
> 
> Please ignore if its a wrong alias.
> 
> I am using grizzly. I have a requirement to attach USB to guest VM. Is this 
> feature committed yet ?
> Tried following link, but not succeeded. 
> 
> https://bugs.launchpad.net/openstack-manuals/+bug/1106421
> 
> root@nvp:/home/nvp# glance image-update 59ce4586-0c57-426c-a181-819ec8b3ee91 
> --property disk_bus=usb
> +---------------------+--------------------------------------+
> | Property            | Value                                |
> +---------------------+--------------------------------------+
> | Property 'disk_bus' | usb                                  |
> | checksum            | d97251713cbf11ff1f86b6bf203defcd     |
> | container_format    | bare                                 |
> | created_at          | 2013-06-15T14:10:02                  |
> | deleted             | False                                |
> | deleted_at          | None                                 |
> | disk_format         | qcow2                                |
> | id                  | 59ce4586-0c57-426c-a181-819ec8b3ee91 |
> | is_public           | True                                 |
> | min_disk            | 0                                    |
> | min_ram             | 0                                    |
> | name                | CentosImage                          |
> | owner               | 7cf64e15cb1349d6a5e81ed0d0bbd6fb     |
> | protected           | False                                |
> | size                | 5368709120                           |
> | status              | active                               |
> | updated_at          | 2013-06-27T10:05:21                  |
> +---------------------+--------------------------------------+
> root@nvp:/home/nvp# 
> 
> Appreciate your help,
> Shyam.
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